51026650945 has 16 divisors (see below), whose sum is σ = 61387522560. Its totient is φ = 40717707264.

The previous prime is 51026650903. The next prime is 51026650949. The reversal of 51026650945 is 54905662015.

It is a cyclic number.

It is not a de Polignac number, because 51026650945 - 2⁷ = 51026650817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51026650949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8276434 + ... + 8282596.

It is an arithmetic number, because the mean of its divisors is an integer number (3836720160).

Almost surely, 2^51026650945 is an apocalyptic number.

It is an amenable number.

51026650945 is a deficient number, since it is larger than the sum of its proper divisors (10360871615).

51026650945 is a wasteful number, since it uses less digits than its factorization.

51026650945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 51026650945 in words is "fifty-one billion, twenty-six million, six hundred fifty thousand, nine hundred forty-five".